delete sender's message To lock your messages, go to “Settings”, “Privacy and Security” and tap on “Passcode Lock”. You will be asked to set a four-digit passcode and confirm it. Once you do that, you will find additional options to “unlock the app with fingerprint” and “auto-lock” it after a specific duration. To create a username, go to “Settings” and tap “Username” under the account section. There is also a “Bio” option, where you can add a few lines about yourself. Anyone who opens your profile will see this text.
With these features, you're ready to become an advanced Telegram user and take full advantage of the app. There are lots of little touches around the app that make it a joy to use, so you may find even more. I rode an electric bike to work, and here’s what I learned Telegram offers plenty of options for customization to make the app feel like a truly personal experience. Here is the list of interface element you can change: Owners of public groups can enable join requests via Group Info > Edit > Group Type > Who Can Send Messages > select Only Members > enable Approve New Members.
Global message deletion With the ability to send files up to 2 GB (or 4 GB), users can easily share large media items from other apps directly to Telegram on any mobile platform. This saves both time and storage space – so you don't have to save the file before sending it in Telegram. To do this, choose the items you want to send and tap on the three-dot menu. Now select “send without compression”, and you are good to go. Read: 8 Most Common Encryption Techniques To Save Private Data
Telegram offers two types of APIs for developers. Both are free of charge. If you are using Telegram on your PC, Laptop, or another device, your secret chat is only visible to your device that you started it.
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